在某IEC六价铬测定标准中,在calibration章节中提到一种比色计:
8.1 Permanent calibration instruments
Colorimetric instruments designed specifically for hexavalent chromium detection at 540 nm may have a permanent calibration provided by the manufacturer and no further calibration is needed.
这里"permanent calibration instruments" 应该如何理解?有用过这种仪器的吗?
在某IEC六价铬测定标准中,在calibration章节中提到一种比色计:
8.1 Permanent calibration instruments
Colorimetric instruments designed specifically for hexavalent chromium detection at 540 nm may have a permanent calibration provided by the manufacturer and no further calibration is needed.
原文由 刘彦刚(pxsjlslyg) 发表:谢谢,这里“不需要校准”(no further calibration is needed)是什么情况?在某IEC六价铬测定标准中,在calibration章节中提到一种比色计:
8.1 Permanent calibration instruments
Colorimetric instruments designed specifically for hexavalent chromium detection at 540 nm may have a permanent calibration provided by the manufacturer and no further calibration is needed.
这里"permanent calibration instruments" 应该如何理解?有用过这种仪器的吗?
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我觉得可以译成专用检测仪(或六价铬专用检测仪),也就是相当一台波长固定在540 nm分光光度计一样。